This update has been rated as having moderate security impact by the
Red Hat Security Response Team.

The Common UNIX Printing System (CUPS) provides a portable printing
layer for UNIX operating systems.

An integer overflow flaw leading to a heap buffer overflow was
discovered in the Portable Network Graphics (PNG) decoding routines
used by the CUPS image converting filters 'imagetops' and
'imagetoraster'. An attacker could create a malicious PNG file that
could possibly execute arbitrary code as the 'lp' user if the file was
printed. (CVE-2008-1722)

All CUPS users are advised to upgrade to these updated packages, which
contain backported patch to resolve this issue.

Training & Certification

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